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55580741 is a prime number
BaseRepresentation
bin1101010000000…
…1100001000101
310212120210102222
43110001201011
5103212040431
65303142125
71243266656
oct324014105
9125523388
1055580741
11294126a7
1216744945
13b690618
14754b52d
154d2d57b
hex3501845

55580741 has 2 divisors, whose sum is σ = 55580742. Its totient is φ = 55580740.

The previous prime is 55580731. The next prime is 55580747. The reversal of 55580741 is 14708555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33292900 + 22287841 = 5770^2 + 4721^2 .

It is a cyclic number.

It is not a de Polignac number, because 55580741 - 214 = 55564357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55580747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27790370 + 27790371.

It is an arithmetic number, because the mean of its divisors is an integer number (27790371).

Almost surely, 255580741 is an apocalyptic number.

It is an amenable number.

55580741 is a deficient number, since it is larger than the sum of its proper divisors (1).

55580741 is an equidigital number, since it uses as much as digits as its factorization.

55580741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 55580741 is about 7455.2492245397. The cubic root of 55580741 is about 381.6290657474.

The spelling of 55580741 in words is "fifty-five million, five hundred eighty thousand, seven hundred forty-one".